Wilton Sander 4300A User Manual

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Operating Instructions — Parts Manual  
Disc, Belt, and Combination Disc/Belt Sanders  
Models: 4200A, 4300A, 4400A  
4200A Disc/Belt Sander  
4300A 6 Inch Belt Sander  
4400A 12 Inch Disc Sander  
WHM TOOL GROUP  
2420 Vantage Drive  
Elgin, Illinois 60123  
Ph.: 800-274-6848  
Part No. 5511365  
Revision E2 10/04  
Copyright © WMH Tool Group  
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Table of Contents  
Cover Page .........................................................................................................................................1  
Warranty..............................................................................................................................................2  
Table of Contents ................................................................................................................................3  
Machine and Manual Overview............................................................................................................4  
General Specifications.........................................................................................................................5  
Warnings .............................................................................................................................................6  
Operating Instructions ..........................................................................................................................8  
Maintenance ......................................................................................................................................10  
Setup and Installation ........................................................................................................................13  
Troubleshooting .................................................................................................................................18  
Wiring Diagrams ................................................................................................................................19  
Replacement Parts ............................................................................................................................20  
Accessories .......................................................................................................................................28  
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Machine and Manual Overview  
WiltonAbrasive Finishing Machines are available in three  
different configurations: disc, belt, and combination disc  
and belt. Each configuration is a rugged, heavy-duty  
machine designed for maximum high production work in  
an industrial environment.  
The speed of stock removal and the quality of finish  
achieved is determined largely by the aggressiveness of  
the abrasive disc or belt mounted on the machine. With  
very aggressive grits, these machines are typically con-  
sidered grinding machines. With very fine grits, these  
machines are typically considered sanding machines.  
Whatever you call them, and however you use them, the  
instructions in this manual will help you use them safely  
and productively.  
You will note there are several types of electrical sys-  
tems available for these machines.All of these systems  
are equally effective in providing power to the grinding  
mechanism -- however, local codes and the type of envi-  
ronment in which the machine is used will often be a  
factor in your choice of system.  
Instructions in this manual assume that you are using  
one of the Model 4200A series Belt and Disc machines.  
If you have a disc only, or belt only machine, you can  
bypass those instructions which do not apply to you.  
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General Specifications  
Disc/Belt Sander  
Disc Sander  
Belt Sander  
Table size  
12x16 3/8 in. (254x416mm)  
7 3/8x14 3/4 in. (187x355mm)  
Disc:12x16 3/8 in. (254x416mm)  
Belt: 7 3/8x14 3/4 in.  
(187x355mm)  
Table tilt  
45° down, 20° up  
45° down, 20° up  
(both) 45° down, 20° up  
Miter gauge groove  
3/8x3/4 in. (9.5x19mm)  
3/8x3/4 in. (9.5x19mm)  
(both) 3/8x3/4 in. (9.5x19mm)  
Disc diameter  
Disc Speed  
12 in. (305mm)  
1960 RPM  
12 in. (305mm)  
1960 RPM  
Platen size  
Belt size  
Belt speed  
6 1/4x14 3/4 in. (159x375mm)  
6x48 in. (152x1214mm)  
2850 SFM  
6 1/4x14 3/4 in. (159x375mm)  
6x48 in. (152x1214mm)  
2850 SFM  
Dimensions  
29x17x42 3/4 in.  
(depth, W, H)  
Dimensions w/platen  
vertical (depth,W, H)  
Dimensions w/platen  
horizontal  
(1070x725x4250mm)  
19x16x57 1/2 in.  
(475x400x1437mm)  
25 1/2x16x43 in.  
19x16x57 1/2 in.  
(475x400x1437mm)  
25 1/2x16x43 in.  
5
(637x400x1075mm)  
(637x400x1075mm)  
(depth, W, H)  
Motor options  
Model 4400A 1 ph. 1.5HP  
115/230V  
Model 4300A 1 ph. 1.5HP  
115/230V  
Model 4200A 1 ph. 1.5HP  
115/220V  
Model 4401A 3 ph. 1.5HP  
230V/460V  
Model 4301A 3 ph. 1.5HP  
230V/460V  
Model 4202A 3 ph. 1.5HP  
230V/460V  
Model 4403A 3 ph. 1.5HP  
230/460V (connected 460)  
full JIC, 110V at the switch  
unassembled  
Model 4303A 3 ph. 1.5HP 230/ Model 4204A 3 ph. 1.5HP 230/  
460V (connected 460) full JIC,  
110V at the switch  
460V (connected 460) full JIC,  
110V at the switch  
Weight  
164 lbs. (74 kg.)  
211 lbs. (96 kg.)  
250 lbs. (113 kg.)  
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When using the machine:  
General Machinery Cautions  
- Never operate the machine with safety guards missing.  
- Always wear safety glasses with side shields (See ANSI  
Z87.1)  
- Never wear loose clothing or jewelry.  
- Never overreach — you may slip and fall into the  
machine.  
- Never leave the machine running while unattended.  
- Always shut the machine off when not in use.  
When servicing the machine:  
- Always unplug the machine from the electrical power  
while servicing.  
- Misuse of this machine can cause serious injury.  
- For safety, the machine must be set up, used and  
serviced properly.  
- Read, understand and follow the instructions in the  
operator’s and parts manual which was shipped with  
your machine.  
When setting up the machine:  
- Always avoid using the machine in damp or poorly  
lighted work areas.  
- Always be sure the machine is securely anchored to the  
floor.  
- Always keep the machine guards in place.  
- Always put the start switch in the “OFF” position before  
plugging in the machine.  
- Always follow the instructions in the operators and parts  
manual when changing accessory tools or parts.  
- Never modify the machine without consulting Wilton  
Corporation.  
You — the stationary power tool user — hold the key to safety.  
Read and follow these simple rules for best results and full benefits from your machine. Used properly, Wilton’s  
machinery is among the best in design and safety. However, any machine used improperly can be rendered inefficient  
and unsafe. It is absolutely mandatory that those who use our products be properly trained in how to use them correctly.  
They should read and understand the Operators and Parts Manual as well as all labels affixed to the machine. Failure  
in following all of these warnings can cause serious injuries.  
General Machinery Warnings  
1. Always wear protective eye wear when operating ma-  
chinery. Eye wear shall be impact resistant, protective safety  
glasses with side shields which comply with ANSI Z87.1  
specifications. Use of eye wear which does not comply  
with ANSI Z87.1 specifications could result in severe injury  
from the breakage of the eye protection.  
10. The machinery must be anchored to the floor.  
11. Secure your work. Use clamps or a vise to hold your  
work, when practical. It is safer than using your hands and  
it frees both hands to operate the machine.  
12. Never brush chips away while the machine is in opera-  
tion.  
2. Wear proper apparel. No loose clothing or jewelry which  
can get caught in moving parts. Rubber soled, nonslip,  
footwear is recommended for best footing.  
13. Keep work area clean. Cluttered areas invite accidents.  
14. Remove adjusting keys and wrenches before turning  
the machine on.  
3. Do not overreach. Failure to maintain a proper working  
position can cause you to fall into the machine or cause  
your clothing to get caught — pulling you into the machine.  
4. Keep the guards in place and in proper working order.  
Do not operate the machine with the guards removed.  
5. Avoid dangerous working environments. Do not use sta-  
tionary machine tools in wet or damp locations. Keep work  
areas clean and well lit.  
15. Use the right tool. Don’t force a tool or attachment to do  
a job it was not designed for.  
16. Use only recommended accessories and follow manu-  
facturers instructions pertaining to them.  
17. Keep hands in sight and clear of all moving parts and  
cutting surfaces.  
18. All visitors should be kept at a safe distance from the  
work area. Make your workshop completely safe by using  
padlocks, master switches, or by removing starter keys.  
19. Know the tool you are using — its application, limita-  
tions, and potential hazards.  
6
6. Special electrical precautions should be taken when  
working on flammable materials.  
7. Avoid accidental starts by being sure that the start switch  
is in the “OFF” position before plugging in the machine.  
8. Never leave the machine running while unattended. The  
machine shall be shut off whenever it is not being used.  
9. Disconnect the electrical power before servicing, when-  
ever changing accessories or when general maintenance  
is done on the machine.  
10. Maintain all machine tools with care. Follow all mainte-  
nance instructions for lubricating and the changing of ac-  
cessories. No attempt shall be made to modify or have  
makeshift repairs done to the machine. This not only voids  
the warranty but also renders the machine unsafe.  
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General Electrical Cautions  
Wire Sizes  
This machine should be grounded in accordance with the  
National Electrical Code and local codes and ordinances.  
The work should be done by a qualified electrician. The  
machine should be grounded to protect the user from elec-  
trical shock.  
Caution: For circuits that are a great distance from the elec-  
trical service box, the wire size must be increased in order  
to deliver ample voltage to the motor. To minimize power  
losses and to prevent motor overheating and burnout, the  
use of wire sizes for branch circuits or electrical extension  
cords according to the following table is recommended:  
AWG (American Wire Gauge) number  
Conductor length  
240 volt lines  
120 volt lines  
0-50 feet  
50-100 feet  
Over 100 feet  
No. 14  
No. 12  
No. 8  
No. 14  
No. 14  
No. 12  
Safety Requirements for Abrasive  
Sanding Machines  
Abrasive sanding can be hazardous to operators and by-  
standers. Sanding sparks, chips and dust particles thrown  
off by the sanding disc can cause serious injury if con-  
tacted or inhaled. To avoid such injuries you must comply  
with the following safety requirements:  
7. Abrasive discs must be stored in a controlled environ-  
ment area. Relative humidity should be 35% to 50% and  
the temperature should be between 60o and 80o Fahren-  
heit. Failure to do so could cause premature disc failure.  
8. Examine the face of the sanding disc carefully. Exces-  
sive sanding that wears down to the backing material can  
tear the disc. Never use a disc which shows backing, nicks  
or cuts on the surface or edge or damage due to creasing  
or poor handling.  
9. When installing a new disc, be certain the disc is accu-  
rately centered on the drive wheel. Failure to do so could  
cause a serious unbalanced condition.  
10. Always present the workpiece to the wheel while rest-  
ing the workpiece firmly on the table. Failure to do so could  
result in damage to the workpiece or throwing of the  
workpiece off the wheel.  
1. Always wear protective eyewear when operating machin-  
ery. Eye wear shall be impact resistant, safety glasses with  
side shields which comply with ANSI Z87.1. Use of eye  
wear which does not comply with ANSI Z87.1 specifica-  
tions could result in severe injury from the breakage of the  
eye protection.  
2. Wear leather safety gloves, arm guards, leather aprons  
and safety shoes.  
3. A dust collection system is recommended, The operator  
should also wear a dust mask at all times.  
4. Additional precautions may be necessary for sanding  
materials which are flammable or have other hazardous  
properties. You should always consult the manufacturer of  
such materials for instructions on sanding and handling.  
5. Do not force or jam the workpiece into the sanding disc.  
6. Before sanding, always allow the motor to come up to  
operating speed, then check the sanding disc for wobble,  
runout, or any unbalanced condition. If the disc is not oper-  
ating accurately and smoothly, immediately stop the motor  
and make repairs before attempting any sanding opera-  
tions.  
11. Safety shoes which comply with ANSI Z41.1 should be  
worn.  
12. Personal hearing protection such as ear plugs or ear  
muffs should be used to protect against the effect of noise  
exposure.  
7
Figure D  
Figure C  
Figure A  
Figure B  
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Operating Instructions  
These sanders can be used to remove stock from a  
wide variety of machinable materials. Different materials  
require different grit types and grades to achieve the de-  
sired stock removal rate and surface finish. Please consult  
with your abrasive materials supplier for specific recom-  
mendations on the correct grit material and grade required  
for your specific needs.  
When removing stock from soft materials (wood, plas-  
tic, etc.) these machines are typically called "sanders."  
When removing stock from hard materials (cast iron, steel,  
etc.) they are referred to as "grinders". The word "sander"  
is used, more-or-less consistently, throughout this manual.  
It refers to the machines and not the type of abrasive finish-  
ing being performed.  
Before operating your sander, please read the basic  
instructions on safe machine usage on the preceding two  
pages.  
Figure 1: Locking handle for belt table  
Using the Indexing Lock Handle  
The lock handle is spring loaded and can be reposi-  
tioned on its shaft to permit easy locking and unlocking.  
To Reposition the Handle:  
Belt Sander  
1. Pull outward against its spring.  
The sanding belt must be in good condition, at proper  
tension, and tracking correctly, before doing any sanding,  
grinding or other abrasive machining operations. Refer to  
the section on Track Mechanism Maintenance if you have  
any problems with belt tension or tracking.  
2. Rotate the handle to the position you require.  
3. Release the handle and its spring will return it to the  
correct operating position.  
Adjusting the Belt Sander Arm  
The arm which holds the sanding belt can be posi-  
tioned at a full vertical position, a full horizontal position, or  
at any angle in between which is convenient to the type of  
sanding you are doing.  
Adjusting the Belt Sander Table  
You can tilt the table in a range between 20o upward  
and 45o downward. A single locking handle on the side of  
the table is used to lock and unlock the table to permit  
adjustment.  
A positive stop mechanism is used to permit quick  
adjustment to the vertical or horizontal positions.  
There are two positive lock stop positions: at 90o (that  
is, at a right angle to the platen) and at 45o downward (es-  
sentially 90o + 45o or 135o total to the platen.)  
To Adjust to Vertical:  
1. Unlock both of the lock bolts. These are located under  
the arbor cover.  
2. Move the arm to vertical until it contacts its stop.  
3. Tighten both of the lock bolts, and replace arbor cover.  
To Tilt the Belt Sander Table:  
1. Unlock the locking handle on the side of the table.  
2. Using the pointer and scale, set the angle to any re-  
quired angle between 20o upward and 45o downward.  
3. Lock the lock handle.  
8
To Adjust to Horizontal:  
1. Unlock both of the lock bolts.  
2. Move the arm to horizontal until it contacts its stop. (See  
Figure 3.)  
3. Tighten both of the lock bolts and replace arbor cover.  
To Tilt the Table to Exactly 45o:  
1. Flip out the stop bracket (see Figure 20).  
2. Unlock the locking handle.  
3. Move the table until it contacts the stop bracket.  
4. Lock the table lock handle.  
To Adjust the Arm to Any Angle Between  
Vertical and Horizontal:  
1. Unlock both of the lock bolts.  
2. Use a machinist's protractor and level to set the arm to  
the required angle.  
3. Tighten both of the lock bolts and replace arbor cover.  
CAUTION: NEVERADJUST THE TABLEANGLE  
WHILE THE SANDER IS RUNNING. ALWAYS TURN  
THE MOTOR OFF BEFOREADJUSTING THE TABLE  
ANGLE.  
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Adjusting the Disc Sander Table  
1. Unlock the two locking knobs underneath the table at  
each end. (See Figure 4.)  
2. Using the pointer and scale, set the angle to any re-  
quired angle between 20o upward and 45o downward.  
3. Lock the two locking knobs underneath the table.  
CAUTION: NEVERADJUST THE TABLEANGLE  
WHILE THE SANDER IS RUNNING. ALWAYS TURN  
THE MOTOR OFF BEFOREADJUSTING THE TABLE  
ANGLE.  
Figure 2: Lock bolts for belt arm  
Use of the Miter Gauge  
The miter gauge can be used on either the disc or  
belt surfaces to sand accurate angles on workpieces. When  
using the gauge, alone, you sand a single angle. However,  
by tilting the table and using the miter gauge in combina-  
tion with the table tilt, it is possible to sand compound  
angles, as well.  
When grinding a compound angle you should al-  
ways check the accuracy of your setup by sanding a piece  
of scrap material before doing any finish sanding on the  
actual workpiece.  
1. Set the angle you wish to sand using the scale on the  
miter gauge.  
2. Tighten the miter gauge securely so the miter reference  
surface will not move while you are sanding.  
3. Place the workpiece against the miter reference surface  
and slide it along the reference surface and into the sand-  
ing disc or belt. The basic method is shown in Figure 5,  
below.  
Figure 3: Arm at horizontal -- note that the table is removed.  
The table may be removed or left in position, and may also  
be set to any angle to allow horizontal sanding of various  
angles.  
CAUTION:NEVER ADJUSTTHEARMANGLE  
WHILE THE SANDER IS RUNNING. ALWAYS TURN  
OFF THE MOTOR BEFOREADJUSTING THEARM  
ANGLE.  
9
Figure 5: Use of the miter system  
Figure 4: Disc sander table adjustment  
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Maintenance  
Belt Replacement  
1. Disconnect the power to the machine to prevent acci-  
dental start-ups. If the machine is plugged into an outlet,  
unplug it. If the machine is hardwired to a branch circuit  
with a junction box, remove the fuse or trip the circuit breaker  
to the branch.  
2. Remove the lock knob and top cover (See Figure 6).  
3. Remove the side guard and table.  
4. Release the belt tension by turning the tension handle  
in a counterclockwise direction (See Figure 7). If the handle  
is difficult to turn, perform Track Mechanism Maintenance  
according to the instructions following this section.  
5. Remove the belt.  
6. Check the drums and platen for scoring or signs of  
wear which might require service or replacement.  
7. Check the height of the platen with a straight edge. If it  
is not 1/32 in. above the drums, adjust it according to the  
instructions in Platen Replacement or Adjustment in the  
Machine Setup section of this manual.  
Figure 6: Top cover components  
8. Check the drums for looseness which might cause  
tracking problems. Correct any loose condition by tighten-  
ing or replacing any parts as required.  
9. Slip the new belt onto the drums and platen.  
10. Adjust the tension handle clockwise until the belt is flat  
against the platen and there is no curling or buckling of the  
belt in the middle.  
11. Turn the drums by hand to see if the belt tracks more-  
or-less true. JUST BECAUSE THE OLD BELT TRACKED  
CORRECTLY DOES NOT MEAN THE NEW BELT WILL.  
Always check the tracking when replacing a belt.  
12. To adjust the tracking:  
12.1. Plug the machine back into the outlet or  
reestablish power in the branch.  
12.2. Loosen the tracking lock knob.  
12.3. Jog the motor on and off as necessary to  
observe the tracking, and turn the tracking knob as  
necessary to make the belt track in the center of the  
platen and drums. Turn the tracking knob clockwise to  
move the belt toward the right and counterclockwise to  
move the belt toward the left.  
10  
12.4. When the belt seems to be tracking correctly, turn  
the motor on and leave it running while fine tuning the  
tracking.  
12.5. Lock the tracking lock knob.  
Figure 7: Belt adjustment components (Note top cover  
removed for removal and replacement of belt.)  
12.6. When the lock knob is secure, turn the power  
off and disconnect the machine from the outlet or  
branch as in Step 1, above.  
13. Replace the table, side guard, top cover and lock  
knob by reversing steps 3 and 2, above.  
14. If you have not already done so, reconnect the power  
to the machine and return it to service.  
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Track Mechanism Maintenance  
Replacing the V-Belt.  
While the use of a dust collection system can extend  
service intervals, an accumulation of dust will almost cer-  
tainly require periodic cleaning of the tracking mechanism.  
The more continuous the use of the machine, the more  
frequently this maintenance should be performed.  
As mentioned in the preceding section, the need for  
required maintenance is often indicated by difficulty in ad-  
justing the tension/tracking mechanism.  
1. Disconnect the power to the machine to prevent acci-  
dental start-ups.  
2. Remove the belt guard (Figure 9) and disc table  
3. Remove the table tilt lock knob (Figure 10).  
Maintenance:  
1. With the belt removed according to the instructions in  
Belt Replacement, pull out the upper tracking system and  
clean away all built up material in the upper part of the  
bracket casting.  
2. Take the two keys off of the idler pin bracket, wipe off, and  
re-grease.  
3. Reverse the above steps to make the machine ready for  
reinstallation of the belt according to the Belt Replacement  
instructions.  
Installing Abrasive Discs  
1. Disconnect the power to the machine to prevent acci-  
dental start-ups.  
2. Peel off the old abrasive disc.  
3. Clean the drive disc surface using naptha or a similar  
nonflammable solvent that will dry film-free.  
4. Pull the protective backing half off the new abrasive disc.  
5. Position the new disc carefully so it is centered accu-  
rately on the drive disc. (See Figure 8.)  
6. When accurately centered, remove the rest of the protec-  
tive backing and press the abrasive disc firmly against the  
drive disc so complete adhesive contact is made.  
7. Reconnect the power to the machine.  
Figure 9: Removing belt guard  
11  
Figure 10: Disc table lock knob  
3. Loosen the four motor bolts so the motor can slide on  
its plate.  
Figure 8: Installing new abrasive disc  
4. Remove the belt from the motor pulley.  
5. Remove three of the base mounting bolts, then loosen  
the fourth bolt slightly. This allows you to rotate the ma-  
chine on the machine base (See Figure 11).  
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Figure 13: Removing the guard and drive disc, together.  
6. Slide the disc and its guard off of the machine, together  
(See Figure 13).  
7. The V-belt can now be removed from the drive arbor.  
8. Install the new belt on the top pulley.  
Figure 11: Rotating the machine casting to remove the disc  
guard bolts  
9. Slide the disc and guard back into position.  
10. Reinstall the disc guard bolts underneath the table.  
11. Position the drive disc so that it is no more than 1/16  
inch away from the table, then tighten BOTH of the set  
screws by inserting the hex wrench through the hole in the  
disc guard casting.  
6. Remove the two bolts, underneath the machine casting,  
that secure the disc guard to the casting (See Figure 11).  
12. Rotate the machine back onto its base and secure it  
with all four mounting bolts.  
13. Install the belt over the bottom pulley.  
14. Tension the belt so that when pressed, in the middle of  
its travel, it has no more than one belt's width of movement  
-- then tighten the four motor bolts.  
15. Observe the alignment of the motor pulley and arbor  
pulley. If necessary, correct their alignment by shifting the  
motor slightly on its mount (which involves loosening and  
retightening the mounting bolts and checking tension) or  
by shifting the pulley slightly on the motor shaft (which in-  
volves loosening the motor pulley set screw and sliding  
the pulley into alignment) or by moving the arbor pulley  
slightly on its shaft (See Figure 14).  
12  
16. When the pulleys are accurately aligned, reinstall the  
belt guard.  
17. Reestablish electrical power to the machine.  
Figure 12: Locating the set screws that secure the disc to  
the arbor  
5. Through the hole in the disc guard casting, locate and  
remove the TWO set screws that secure the drive disc to  
the arbor. One set screw clamps on the arbor key and the  
other clamps on the arbor shaft, itself. Be sure you loosen  
both of them.  
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Machine Setup  
Basic Setup  
1. Position the machine where it will be located on the  
shop floor. When positioning the machine, consider the  
type of work which will be done on it so you allow sufficient  
room not only for the workpieces, but also for service to the  
machine.  
2. Open the door in the base of the machine and, using the  
holes in the base as a template, mark the floor for the  
position of the hold-down bolts.  
3. Move the machine to expose the hold-down bolt marks  
and install anchors for the hold-down bolts.  
4. Put the machine back over the hold-down anchors and  
bolt the machine securely to the shop floor. THIS MUST BE  
DONE FOR SAFE OPERATION OF THE MACHINE.  
5. Establish an electrical service connection to the ma-  
chine. This will vary according to the model purchased. ALL  
ELECTRICAL CONNECTIONS SHOULD BE MADE BY A  
QUALIFIED ELECTRICIAN WHO IS FAMILIAR WITH YOUR  
STATE AND LOCAL CODES. Many models of these ma-  
chines make use of high voltages which pose a significant  
risk of serious injury or DEATH if proper knowledge and  
precautions are not used. Electrical instructions are in-  
cluded in the Electrical section of these Machine Setup  
instructions.  
Figure 14: Loosening pulley set screws to allow the  
adjustment of pulley on arbor shaft.  
6. Machines with belts are shipped with the belts in slack  
condition. During the electrical hookup phase of machine  
setup, the belt will have to be tightened and checked for  
tracking. See the Belt Replacement section for instructions  
on this procedure.  
13  
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Disc Table Angle Adjustment  
1. Disconnect the power to the machine to prevent acci-  
dental start-ups.  
2. Loosen the table locking knobs on either end of the  
table.  
3. Using a machinist's square against the table and disc,  
set the table at exactly 90o to the disc (See Figure 15).  
4. Tighten the table locking knobs.  
5. Check the pointer. If it is not exactly on the zero mark,  
loosen the pointer attaching screw, adjust the pointer, and  
retighten the screw.  
6. Reconnect the power to the machine.  
Figure 16: Using an adjustable square to set the table  
parallelism.  
Figure 15: Using a square to check the disc table scale.  
Disc Table Miter Parallelism  
Adjustment  
Figure 17: Table attachment screws -- loosen to adjust  
miter groove parallelism.  
1. Disconnect the power to the machine to prevent acci-  
dental start-ups.  
Disc Table Gap Adjustment  
2. Set the table angle to zero.  
1. Using a scale, check the gap between the edge of the  
table and the face of the disc. It should be very close to 3/32  
inch. If it is much more or less than that distance, adjust it  
as follows:  
2. Disconnect the electrical power to the machine.  
3. Using the access hole on the top of the disc guard,  
locate and loosen the two set screws that secure the disc  
to the shaft.  
3. Place a scale or adjustable machinist's square against  
either the left or right edge of the disc face and measure the  
distance to the miter slot edge (See Figure 16).  
4. Move the measuring device to the opposite edge of the  
disc and measure the distance to the miter slot.  
5. Adjust the table by loosening the four attachment screws  
under the table, then move the table until the distance be-  
tween the miter slot and the disc is equal on both sides  
(See Figure 17).  
14  
4. Slide the disc in or out along its shaft until the table-to-  
disc gap is 3/32 inch (See Figure 18).  
5. Tighten both set screws.  
6. Tighten the four attachment screws.  
7. Reconnect the electrical power to the machine.  
6. Reconnect the electrical power to the machine.  
Figure 18: Table-to-  
disc gap  
measurement.  
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Belt Table Miter Slot Parallelism  
Adjustment  
Belt Table Angle Adjustment  
1. Loosen the table locking handle and tilt the table  
upward to about 15o.  
2. Flip out the stop bracket (See Figure 21).  
3. Lower the table until its adjusting screw touches  
the stop bracket.  
1. Disconnect the power to the machine to prevent acci-  
dental start-ups.  
2. Set the table angle to zero.  
3. Place a scale or adjustable machinist's square against  
either the left or right edge of the belt or platen and mea-  
sure the distance to the miter slot edge (See Figure 19).  
4. Move the measuring device to the opposite edge of the  
belt or platen and measure the distance to the miter slot.  
5. Adjust the table by loosening the three attachment screws  
under the table, then move the table until the distance be-  
tween the miter slot and belt or platen is equal on both  
sides.  
4. Place a machinist's square against the table and  
belt or platen.  
5. If adjustment is required, turn the adjusting screw  
(Figure 20) until the table is exactly square to the platen.  
6. Check the pointer. If it is not on 0o, loosen the  
pointer screw and adjust the pointer until it is on 0o.  
7. Tighten the pointer screw.  
8. Loosen the table lock handle and tilt the table until  
its stop contacts the 45o stop position.  
9. Using a machinist's protractor set on 135o (90o +  
45o) adjust the screw until the table and platen are in  
correct adjustment. DO NOT reset the pointer after  
this operation.  
6. Tighten the three attachment screws.  
7. Reconnect the electrical power to the machine.  
Figure 19: Using an adjustable square to check and  
set miter slot parallelism on the belt table.  
15  
Figure 20: Location of adjustment (socket head)  
screws and pointer attachment screw for table angle  
adjustment.  
Figure 21: Locations of stop lugs and stop  
bracket for zero and 45o table positions.  
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Adjusting or Replacing the Platen  
Electrical  
Caution: Wilton sanders are available in a wide vari-  
1. Disconnect the electrical power to the machine to pre-  
vent accidental start-ups.  
2. Remove the top cover, side guard and belt as outlined in  
Belt Replacement.  
3. Remove the table by unscrewing the locking handling  
and lifting the complete table assembly, from the machine.  
4. If you are replacing the platen, remove the three screws  
that hold it to its mount -- then install the new platen and  
replace the mounting screws finger tight.  
5. If you are only adjusting the platen, loosen the three  
mounting screws to allow adjustment.  
6. Using a straight edge as shown in Figure 22, adjust the  
platen height until it is 1/32 inch higher than the crown of  
both the drive and idler drums.  
ety of electrical configurations to meet the needs of the  
purchaser with respect to power available and compliance  
with electrical codes. Each machine is tested at the factory  
for operation before shipment and the power cord is tagged  
with the power requirements for the machine, as shipped.  
HOWEVER, before attempting any electrical hookup, you  
should be certain:  
1. The electrical characteristics of the service branch match  
the requirements of the motor.  
2. The service branch is equipped with wires of the re-  
quired gauge or size.  
3. The branch circuit intended for the machine is protected  
with a time delay fuse or circuit breaker with a rated amper-  
age just slightly greater than the full load current of the  
motor.  
7. Tighten the platen adjustment screws.  
8. Reinstall the table and belt.  
9. Check and adjust, if necessary, the tracking of the belt  
according to instructions in Belt replacement.  
10. Reinstall the guards and covers.  
11. Check and adjust the table angles and miter slot  
squareness, according to table adjustment instructions in  
this manual.  
MOTOR AMPERAGE full load current  
Phase  
1
1
Voltage  
115  
Amperage  
20  
10  
220  
12. Reconnect the electrical power to the machine.  
3
3
220  
440  
5.2  
2.6  
CAUTION: All electrical service work on your  
Wilton sander should be performed by a qualified,  
licensed electrician who is familiar with all safe stan-  
dard electrical installation practices and all appli-  
cable electrical codes. This includes local electri-  
cal codes which may affect the connection and op-  
eration of the Wilton sander in your specific manu-  
facturing operation.  
16  
Figure 22: Method for adjusting height of platen above drive  
and idler drums.  
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Single Phase Electrical Hookup  
Three Phase Electrical Hookup  
When connecting your machine to single phase  
power, you may be connecting to either 115 or 230 volts,  
depending upon the motor type provided. Local codes may,  
or may not, permit the use of a plug type of connection for  
your machine. Where a plug connection is permitted, the  
following installation practices must be followed:  
1. The plug used must be a grounding type of plug. That is,  
on a 115 volt single phase connection, the plug must be a  
three-prong plug with two flat, parallel blades for the power  
wires and a single rounded or U-shaped prong for the  
ground connection. On 230 volt single phase connections,  
the lug must be a three prong plug with two flat blades in  
tandem to carry the current, and a third round or U-shaped  
prong for the ground connection.  
2. The service branch to which the plug is connected must  
be a branch with a separate ground wire so the grounding  
prong of the plug can be connected to ground effectively.  
Note: Local electrical codes in many jurisdictions  
DO NOT ALLOW THE USE OF PLUG TYPE CONNECTIONS  
FORSINGLEPHASEPOWERWHENTHEMACHINEISUSED  
INACOMMERCIAL OR INDUSTRIALESTABLISHMENT.  
In these cases you must connect your machine to  
the service branch using a hardwired junction box connec-  
tion.  
1. Be certain the power to the branch you are connecting is  
off and locked out, so power cannot be reestablished acci-  
dentally.  
2. Connect the ground wires. These wires will be either  
green, or green with a white stripe.  
3. Connect the remaining three cable wires to the three  
power wires in the service branch.  
4. Reestablish the power to the branch.  
Motor Rotation  
The motor should be turning counterclockwise,  
the belt sander should be moving downward and the disc  
sander should be turning clockwise. If this is the case, the  
machine can be considered wired correctly. If the motor is  
not turning in the correct direction, take the following cor-  
rective action:  
1. Disconnect power in the branch again and be certain it  
cannot be accidentally turned on while you correct the wir-  
ing.  
2. Reverse ANY TWO of the power wires to the machine.  
3. Reestablish the power to the machine.  
4. Turn the machine on. The motor should now be turning  
in the correct direction.  
Motor Rotation  
The motor should be turning counterclockwise, the  
belt sander should be moving downward, and the disc  
sander should be turning clockwise. These motors are  
wired at the factory for correct rotation.  
Voltage Conversion  
Voltage Conversion  
Single phase machines are pre-wired for 115V or  
230V per customer request. If it becomes necessary to  
change the voltage, remove the back cover from the base  
and place the machine on its side. Remove the terminal  
cover from the motor. Rewire the motor according to the  
motor connection diagram, (Figure 32 or, Figure 33).  
Different electrical plugs are required depending on which  
voltage you select. This completes the voltage conversion  
process.  
Three phase machines are pre-wired for 230V or  
460V per customer request. If it becomes necessary to  
change the voltage, remove the back cover from the base  
and place the machine on its side. Remove the terminal  
cover from the motor. Rewire the motor according to the  
motor connection diagram, Figure 32 or, Figure 33). This  
completes the voltage conversion process  
17  
Circuit Protection  
Circuit Protection  
Where the service branch is protected with a fuse or  
circuit breaker that has too high a value to offer protection to  
the motor supplied, a fuse or circuit breaker box should be  
used at the point where the machine connection is made  
and the time delay fuse or circuit breaker should be a value  
just slightly higher than the maximum load current draw.  
Where the service branch is protected with a fuse or  
circuit breaker that has too high a value to offer protection to  
the motor supplied, a fuse or circuit breaker box should be  
used at the point where the machine connection is made  
and the time delay fuse or circuit breaker should be a value  
just slightly higher than the maximum load current draw.  
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Troubleshooting  
Fault  
Suggested remedy  
Probable cause  
Motor will not run  
1. Motor is defective  
2. Voltage is too low  
1. Replace the motor.  
2. Check the power supply for the proper  
voltage.  
3. Switch is defective  
3. Replace the switch.  
4. Branch circuit fuse is blown or  
the circuit breaker is tripped  
4. Determine the reason for the blown fuse  
or tripped circuit breaker -- then replace  
the fuse or reset the breaker.  
5. Branch is shut down for service  
5. Check all personnel and machines on  
the branch to be certain someone has  
not shut down the branch for service. DO  
NOT replace the fuse or reset the breaker  
unless you are certain no personnel are  
working on the machines, wires or con  
trols in the circuit.  
6. Open circuit in the wiring  
1. Low voltage.  
6. Inspect all the wire connections for loose  
or open connections.  
1. Check for proper voltage at the motor  
-- correct as necessary.  
Motor stalls easily  
2. Replace the blown fuse.  
2. Fuse is blown (three phase  
motors only.)  
3. Check for proper connections.  
1. Replace the belt.  
3. Improper wiring.  
Abrasive belt or disc slows  
down although motor keeps  
running at working speed  
1. Belt is slipping  
1. Adjust the belt tracking.  
2. Loosen the tension until the belt is just  
taut.  
1. Tracking is out of adjustment.  
2. Too much belt tension.  
Poor tracking  
3. Tighten the tension until the belt is more  
taut.  
4. Check the belt for an irregular seam or  
shape.  
5. Remove the belt and put a straight edge  
along the drive roller. There should be a  
slight crown (high spot toward the middle  
of the roller.) If the crown has worn away,  
replace the roller.  
3. Not enough belt tension.  
4. Belt is jointed improperly.  
5. Lack of crown on the drive roller.  
18  
6. Check all the bearings for excessive heat  
or loose shafts. Replace if necessary.  
6. Worn bearings.  
Unsteady belt  
Short belt life  
1. Slack in the abrasive belt.  
1. Adjust the belt tension.  
1. Allow the belt to do the cutting. Excessive  
pressure only dulls the grit and removes it  
from the cloth.  
1. Excessive pressure applied while  
grinding.  
2. Use all the surface areas of the abrasive  
cloth.  
3. Check with your abrasives supplier for rec  
ommendations on the type and coarse  
ness of the abrasive required for the  
workpieces you are sanding or grinding.  
2. Working on only one side of the belt  
or only in one area of the disc.  
3. Incorrect abrasive material or grit  
size.  
CAUTION: For all of the electrical faults and corrections in the above table Wilton recommends the use of a qualified  
and licensed electrician for all circuit tracing, diagnosis and repair.  
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Electrical Schematics  
JIC Packages  
Figures 25 and 26, below: Wiring diagrams for 230 and 460 VAC with controller with warning light.  
Figure 27 and 28, below: Wiring diagrams for 230 and 460 VAC with push button switch.  
19  
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Electrical Schematics  
Standard 1 phase and 3 phase machines  
Figure 30: Schematic diagram for single phase motor.  
Figure 31: Schematic diagram for 3-phase motor.  
Figure 32: Motor connection diagram for 1-phase motor.  
Figure 33: Motor connection diagram for 3-phase motor.  
Replacement Parts  
This section provides exploded view illustrations that show the replacement parts for the Model 4400A, 4300A,  
4200A Disc, Belt, and Combination Disc/Belt Sanders. Also provided are parts listings that provide part number  
and description. Item numbers shown on the illustration relate to the item numbers in the facing parts listing.  
20  
Order replacement parts from:  
WMH Tool Group  
2420 Vantage Drive  
Elgin, Illinois 60123  
Phone: 800-274-6848  
Identify the replacement part by the part number shown in the parts listing. Be sure to include the model  
number and serial number of your machine when ordering replacement parts to assure that you will receive the  
correct part.  
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Exploded View – Model 4200A Belt and Disc Sander  
Assembly  
21  
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Parts Listing – Model 4200A Belt and Disc Sander Assembly  
Ref # Part No.  
Description  
Bracket  
Square Nut, M10  
Qty.  
1
1
1
1
1
1
1
2
2
1
4
2
1
4
1
5
1
1
1
2
2
1
1
4
4
1
9
9
3
1
4
1
3
3
1
1
1
2
1
1
1
1
1
1
1
4
1
1
5
1
1
4
8
6
1
Ref # Part No.  
5508455  
Description  
Deflector Plate  
Qty.  
1
2
2
1
1
3
3
1
2
1
1
1
1
1
1
1
1
1
2
1
1
2
1
1
3
2
1
4
2
1
2
2
2
1
2
4
1
2
1
2
1
1
2
4
1
1
1
2
4
1
2
2
2
1
1
1
1
2
5508427  
5511833  
56  
57  
58  
59  
60  
61  
62  
63  
64  
65  
66  
67  
68  
69  
70  
71  
72  
73  
74  
75  
TS-2361051 Lock Washer, M5  
TS-1513021 SHFS, M5 x 12  
5508454  
5508456  
TS-2361101 Lock Washer, M10  
TS-1491021 Hex Cap Screw, M10 x 20  
3
50510801 Spring  
4
5
6
7
5051091  
5051131  
5508431  
5051151  
Sleeve  
Collar  
Shaft with Collar  
Cap  
Drive Drum Guard  
Dust Deflector  
8
9
TS-2361051 Lock Washer, M5  
TS-1513051 SHFS, M5 x 25  
5508457  
Platen  
TS-1514011 SHFS, M6 x 12  
5051601A Side Guard  
TS-1540231 Hex Nut, M24  
9058121  
5051981  
5051971A Drive Drum  
5508458 Clamp Ring  
4200A-071 Spacer  
5051031  
5051021  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
41  
42  
43  
44  
45  
46  
47  
48  
49  
50  
51  
52  
53  
54  
55  
5051721  
5511818  
TS-1550071 Flat Washer, M10  
5508432  
5508450  
5508429  
5511824  
5508437  
5511828  
5051351  
Hand Wheel  
FH Screw, M5 x 6  
Lock Washer, Ext., M24  
Spacer  
Tilting Table  
Hand Knob  
Belt Adj. Knob, M10  
Drive Screw, M2 x 5  
Stop Lock  
Groove Pin, M5 x 45  
Tilting Scale  
Tension Lever Pin  
Belt Tension Lever  
BB-6202ZZ Ball Bearing, 6202ZZ  
5508461  
TS-1523011 SHSS, M6 x 6  
Idler Drum Shaft with  
Lock Nut  
5511827  
5051331  
5511725  
TS-1504061 SHCS, M8 x 30  
TS-2361081 Lock Washer, M8  
Groove Pin, M4 x 8  
Segment  
4200Arbor Pulley  
76  
77  
78  
TS-2342121 Hex Nut, Nylon Lock M12  
5508460 Bearing Lock Nut  
5051591A Idler Drum Guard  
79  
80  
81  
5508462  
5508463  
5052121  
Stud  
Clamp Bar  
Bottom Guard  
5508433  
TS-1550061 Flat Washer, M8  
Trunnion  
TS-2361081 Lock Washer, M8  
TS-1490041 Hex Cap Screw, M8 x 25  
5508435  
TS-1550071 Flat Washer, M10  
5508436 Acorn Nut and Handle  
82  
83  
TS-2361061 Lock Washer, M6  
5052061B Idler Drum Spacer  
Stud, M10  
84  
85  
86  
87  
5508459  
TS-0367061 Roll Pin, 1/4" x 1-1/4"  
5052001 Block  
5052061A Idler Drum  
Idler Pin Bracket  
TS-2361061 Lock Washer, M6  
TS-1482031 Hex Cap Screw, M6 x 16  
88  
89  
5508434  
5508451  
Pointer  
Clamp with Pins  
5508439  
BB-6205ZZ Ball Bearing, 6205ZZ  
5508438 Bearing Housing  
TS-2210951 Hex Cap Screw, M10 x 140  
5051421  
5508441  
5051451  
4200A-042 Key, 5 x 5 x 55  
BB-6204ZZ Ball Bearing, 6204ZZ  
5051471  
VB-A59  
TS-2245081 SHFS, M5 x 8  
5508444  
4200A-048 Warning Label  
TS-1540071 Hex Nut, Full, M10  
5508446  
5508447  
TS-2210801 Hex Cap Screw, M10 x 80  
5515292 Flat Washer, M10  
TS-2361101 Lock Washer, M10  
5051841 Garnet Belt  
Preload Bushing, M54  
90  
91  
92  
93  
4200A-090 Roll Pin, M6 x 45  
5508453 Disc Guard  
TS-2239551 SHCS, M10 x 55  
5051741 Pointer  
TS-1523031 SHSS, M6 x 10  
22  
Key, 5 x 5 x 70  
Drive Shaft  
Key, 5 x 5 x 35  
94  
95  
96  
97  
5051641  
5051631  
5051681  
Disc,Aluminum  
Garnet Disc  
Trunnion  
Retaining Ring, S20  
V-Belt,A59  
98  
TS-1490041 Hex Cap Screw, M8 x 25  
99  
5508449  
5051701  
5052271  
Table  
Tilting Table Scale  
Deluxe Miter Gauge  
100  
101  
102  
103  
104  
105  
106  
107  
108  
109  
110  
Belt GuardAssembly  
TS-1550071 Flat Washer, M10  
TS-1482032 Hex Cap Screw, M6 x 17  
4200A-104 Label, Name  
4200A-105 Label, Direction  
TS-1482081 Hex Cap Screw, M6 x 40  
TS-1540041 Hex Nut, Full, M6  
TS-1523021 SHFS, M6 x 8  
Stop Pin  
Base  
4200A-109 Label, Warning  
TS-152704 Allen Wrench, 4mm  
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Exploded View – Model 4300A Belt Sander Assembly  
23  
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Parts Listing – Model 4300A Belt Sander  
Ref # Part No.  
Description  
Qty.  
Ref # Part No.  
Description  
Qty.  
4
8
6
1
1
2
2
1
1
3
3
1
2
1
1
1
1
2
3
4
5
6
7
5508427  
5511833  
5051081  
5051091  
5051131  
5508431  
5051151  
Bracket  
Square Nut, M10  
Spring  
Sleeve  
Collar  
1
1
1
1
1
1
1
2
2
1
4
1
1
2
1
3
1
1
1
2
2
1
1
4
4
1
3
3
3
1
4
1
3
3
1
1
1
2
52  
53  
54  
55  
56  
57  
58  
59  
60  
61  
62  
63  
64  
65  
66  
67  
68  
69  
70  
71  
72  
73  
74  
75  
TS-2210801 Hex Cap Screw, M10 x 80  
TS-1550071 Flat Washer, M10  
TS-2361101 Lock Washer, M10  
5051841  
5508455  
TS-2361051 Lock Washer, M5  
TS-1513021 SHFS, M5 x 12  
5508454  
5508456  
TS-2361101 Lock Washer, M10  
TS-1491021 Hex Cap Screw, M10 x 20  
5508457  
TS-1514011 SHFS, M6 x 12  
5051601A Side Guard  
TS-1540231 Hex Nut, M24  
9058121  
5051981  
5051971A Drive Drum  
5508458 Clamp Ring  
4200A-077 Idler Drum Shaft  
5051031  
5051021  
Garnet Belt  
Deflector Plate  
Shaft with Collar  
Cap  
Drive Drum Guard  
Dust Deflector  
8
9
TS-2361051 Lock Washer, M5  
TS-1513051 SHFS, M5 x 25  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
41  
42  
43  
44  
45  
46  
47  
48  
49  
50  
51  
5051721  
5511818  
TS-1550071 Flat Washer, M10  
5508432  
5508450  
5508429  
5511824  
5508437  
5511828  
5051351  
Hand Wheel  
Flat Head Screw, M5 x 6  
Platen  
Tilting Table  
Hand Knob  
Belt Adj. Knob, M10  
Drive Screw, M2 x 5  
Stop Lock  
Groove Pin, M5 x 45  
Tilting Scale  
Lock Washer, Ext., M24  
Spacer  
1
1
1
1
1
1
2
1
TS-1523011 SHSS, M6 x 6  
Tension Lever Pin  
Belt Tension Lever  
5511827  
5051331  
5511725  
TS-1504061 SHCS, M8 x 30  
TS-2361081 Lock Washer, M8  
Groove Pin, M4 x 8  
Segment  
4200Arbor Pulley  
BB-6202ZZ Ball Brearing, 6202ZZ  
5508461  
Idler Drum Shaft with  
Lock Nut  
76  
77  
78  
79  
80  
81  
82  
83  
84  
85  
86  
87  
88  
89  
90  
91  
92  
93  
94  
95  
TS-2342121 Hex Nut, Nylon Lock, M12  
5508460 Bearing Lock Nut  
5051591A Idler Drum Guard  
5508462  
5508463  
5052121  
TS-2361061 Lock Washer, M6  
5052061B Idler Drum Spacer  
5508459  
TS-0367061 Roll Pin, 1/4" x 1-1/4"  
5052001 Block  
5052061A Idler Drum  
5508434  
5052271  
4300A-090 Label, Name  
4200A-105 Label, Direction  
TS-1482081 Hex Cap Screw, M6 x 40  
TS-1540041 Hex Nut,Full, M6  
4300A-094 Label, Warning  
TS-152704 Allen Wrench, 4mm  
2
1
1
1
2
1
4
2
1
2
2
2
1
1
1
1
2
2
1
1
5508433  
TS-1550061 Flat Washer, M8  
Trunnion  
TS-2361081 Lock Washer, M8  
TS-1490041 Hex Cap Screw, M8 x 25  
5508435  
TS-1550071 Flat Washer, M10  
5508436 Acorn Nut and Handle  
Stud  
Clamp Bar  
Bottom Guard  
Stud, M10  
TS-2361061 Lock Washer, M6  
TS-1482033 Hex Cap Screw, M6 x 18  
Idler Pin Bracket  
24  
5508439  
BB-6205ZZ Ball Bearing, 6205ZZ  
5508438 Bearing Housing  
TS-2210951 Hex Cap Screw, M10 x 140  
5051421  
5508442  
5051451  
TS-1482034 Hex Cap Screw, M6 x 19  
BB-6204ZZ Ball Bearing, 6204ZZ  
5051471  
VB-A59  
TS-2245081 SHFS, M5 x 8  
5508445  
4200A-048 Label, Warning  
TS-1540071 Hex Nut, Full, M10  
5508446  
5508448  
Reload Bushing, M54  
Pointer  
Deluxe Miter Gauge  
Key, 5 x 5 x 70  
Drive Shaft  
Key, 5 x 5 x 35  
1
1
1
4
1
1
1
4
1
1
5
1
1
Retaining Ring, S20  
V-Belt, A59  
Belt GuardAssembly  
Stop Pin  
Base  
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Exploded View – Model 4400A Disc Sander Assembly  
25  
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Parts Listing – Model 4400A Disc Sander Assembly  
Ref # Part No.  
Description  
Bracket  
Qty.  
1
2
1
4
4
1
1
1
1
1
1
4
1
1
1
1
1
1
1
1
1
4
4
8
1
2
4
2
2
4
2
1
2
2
1
1
2
1
1
1
2
4
4
1
2
1
1
5508427  
2
3
TS-1523011 SHSS, M6 x 6  
5511725 4200Arbor Pulley  
4
5
TS-1504061 SHCS, M8 x 30  
TS-2361081 Lock Washer, M8  
6
7
5508443  
5051451  
Drive Shaft  
Key, 5 x 5 x 35  
8
4200A-042 Key, 5 x 5 x 55  
9
BB-6204ZZ Ball Bearing, 6204ZZ  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
41  
42  
43  
44  
45  
46  
5051471  
VB-A59  
5511818  
5508444  
BB-6205ZZ Ball Bearing, 6205ZZ  
5508439 Locking Bushing  
TS-1550061 Flat Washer, M8  
TS-1490031 Hex Cap Screw, M8 x 20  
4400A-018 Glue Bushing  
4200A-105 Label, Direction  
4400A-020 Label, Warning  
4400A-021 Label, Warning  
TS-1540071 Hex Nut, Full, M10  
TS-2210801 Hex Cap Screw, M10 x 80  
TS-1550071 Flat Washer, M10  
5508447  
TS-1550071 Flat Washer, M10  
TS-2361101 Lock Washer, M10  
5508450  
5508451  
4200A-090 Roll Pin, M6 x 45  
5508462  
5508453  
TS-2361101 Lock Washer, M10  
TS-2239551 SHCS, M10 x 55  
5051741  
TS-1523021 SHFS, M6 x 8  
TS-1523031 SHSS, M6 x 10  
Retaining Ring, S20  
V-Belt, A59  
Pan Head Screw, M5 x 6  
Belt GuardAssembly  
Base  
Hand Knob  
Clamp with Pins  
Stud  
Disc Guard  
Pointer  
26  
5051641  
5051631  
5508449  
5051681  
Disc, Aluminum  
Garnet Disc  
Table  
Trunnion  
TS-2361081 Lock Washer, M8  
TS-1490041 Hex Cap Screw, M8 x 25  
5051701  
5511824  
5052271  
Tilting Table Scale  
Drive Screw, M2 x 5  
Deluxe Miter Gauge  
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Exploded View - Base Assembly (All Models)  
Ref # Part No.  
5511743  
Description  
Qty.  
Ref # Part No.  
Description  
Qty.  
301  
302  
303  
304  
305  
306  
307  
308  
309  
309  
310  
311  
312  
313  
314  
315  
316  
317  
318  
319  
Enclosure  
1
4
4
1
1
7
7
7
1
1
4
4
7
1
1
2
1
1
4
4
320  
4200A-B320Cover  
1
TS-1540081 Hex Nut, M12  
321  
322  
323  
324  
325  
326  
327  
328  
329  
330  
331  
332  
333  
334  
335  
4200A-B321Pan Head Bolt w/ Flange  
TS-1540041 Hex Nut, M6  
TS-1540031 Hex Nut, M5  
TS-0733203 Lock Washer, Ext., #10  
4200A-B325Pan Head Screw, M5 x 8  
TS-2284082 Pan Head Screw, M4 x 8  
TS-2361041 Lock Washer, M4  
4200A-B328Label, Name  
TS-1533052 Pan Head Screw, M5 x 16  
4200A-B330Cord Clamp  
TS-1540031 Hex Nut, M5  
4200A-B332Wiring Nut  
TS-1550021 Flat Washer, M4  
4200A-B334Label, Voltage  
3
3
2
2
2
2
4
1
1
1
1
3
6
1
1
5511745  
5511729  
5052431  
TS-1490031 HHCS, M8 x 20  
TS-1550061 Flat Washer, M8  
TS-1540061 Hex Nut, M8  
5514650  
5514651  
TS-1550061 Flat Washer, M8  
TS-1490011 HHCS, M8 x 12  
TS-2361081 Lock Washer, M8  
9133081  
5514703  
5511753  
5511754  
9139391  
Adjustable Mount  
Large Cover  
Motor Mounting Plate  
27  
1.5 HP 115/230V 1 Ph.  
1.5 HP 115/230V 1 Ph.  
Power Cord  
Switch Box  
Tapping Bolt w/ Washer  
Bushing  
4200A-B335Switch Cover  
Switch  
TS-2361081 Lock Washer, M8  
TS-2360121 Flat Washer, M12  
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Dust Collection System (Optional)  
Installation  
Filter  
Check for accumulation of debris. Replace the filter at  
Transport the shipping container to the installation site.  
Unpack the dust collection system and check for  
damage. Contact the carrier if damage is found. Open  
the installation kit (refer to Optional Accessories in  
the parts listing for installation kits). Install the cover  
and debris collection drawer if removed. Slip a hose  
clamp over the 3-inch vacuum hose. Slip the hose on  
the inlet duct. Move the clamp over the duct to secure  
the hose.  
intervals that you determine are appropriate for your  
shop environment and machine utilization.  
Drawer Seal  
Check the drawer seal periodically and replace if  
damaged or missing. Keep the seal in good condition  
to help maintain collection system efficiency.  
Repeat the procedure to connect the hose to the outlet  
duct on the grinding machine.  
Removable cover –  
ON/OFF switch on  
remove for interior  
motor at rear of dust  
collection system  
Electrical Connection  
Refer to the Dust Collection System Wiring Diagram  
for wiring information. Connection to electrical power  
should be made by a qualified electrician. Observe local  
electrical codes when connecting the machine.  
cleaning/access to  
impeller  
Second Inlet  
Duct on this side  
Operation  
The dust collection system motor is started by setting  
the toggle switch on the motor to the ON position. Set  
the switch to OFF to shut down the dust collection  
system.  
Maintenance  
WARNING:  
·
MAKE SURE YOU DISCONNECT THE ELECTRI-  
CAL POWER TO THE DUST COLLECTION SYS-  
TEM BEFORE PERFORMING MAINTENANCE.  
FAILURE TO DO SO MAY RESULT IN INJURY  
TO THE OPERATOR AND/OR MAINTENANCE  
PERSONNEL.  
28  
·
DO NOT OPERATE THE DUST COLLECTION  
SYSTEM WITH THE COVER REMOVED. INJURY  
TO FINGERS AND HANDS FROM THE FAN  
BLADES, AND INGESTION OF LOOSE FITTING  
CLOTHING INTO THE AIR INLET WITH  
RESULTANT INJURY ISALSO POSSIBLE.  
Outlet filter at rear  
removes fine debris  
from outlet air stream  
Chip Drawer -  
Pull to Open  
Inlet Duct – Connect  
3 inch hose - secure  
with clamp  
Cleaning  
Periodically dispose of accumulated chips and debris  
from the chip drawer. Use a brush to loosen debris from  
internal surfaces. Use a vacuum cleaner to clean up  
the loosened debris.  
Figure 1: Dust Collector Assembled View  
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Disassembly  
Disassembly of the dust collection system is only  
required to replace the motor or the fan components.  
The motor switch, if failed, can be replaced without  
removal of the motor.  
1. Remove the chip drawer (2) and cover (4) from the  
base (1).  
2. Remove the filter cover (5) and filter (6). Replace  
the filter if required.  
3. Remove five nuts (10) and lock washers (11) from  
the studs at the rear of the base (1).  
4. Remove four nuts (12) and lock washers (13) from  
the screws (14). Remove the screws (14) from inside  
the fan housings. Separate the motor support panel  
(9) (with fan and motor still attached) from the base  
(1).  
5. Remove five nuts (17), lock washers (18) and the  
screws (19) that secure the fan housings together.  
6. Using a flat bladed tool, separate the outer fan  
housing (16) from the inner fan housing (24).  
7. Using an Allen wrench, loosen the set screw (22).  
Remove the fan (21) from the shaft of the motor  
(25). Remove the key (23) from the motor shaft.  
8. Use a flat-bladed screwdriver to hold the flat head  
screws (28) (in inner fan housing). Remove four nuts  
(26) and lock washers (27) from the flat head screws  
(28) in the motor mounting lugs.  
Assembly  
Assembly is the reverse of disassembly. Observe the  
following during assembly:  
1. Assemble the motor (25) and inner fan housing (24)  
on the rear panel; make sure the fan duct is facing  
downward.  
2. Make sure the guard strap (20) is installed in the  
recesses in the fan duct.  
3. Mate the fan housings (16 and 24). Turn the fan  
(21) by hand to check for rubbing.Adjust the fan as  
required.  
4. Use a spare screw or a Phillips screwdriver to align  
the screw holes in the outer fan housing (16), spacer  
(15), and in the internal panel of the base (1).  
5. With the screw holes aligned, install the support  
panel (9) on the five studs at the rear of the base  
(1).  
29  
6. Connect the electrical power and check the opera-  
tion of the dust collection system.  
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Exploded View – Model 5511885 Dust Collection System  
15  
14  
16  
21  
22  
26  
24  
28  
9
19  
20  
23  
12  
13  
18  
27  
17  
25  
11  
10  
5
4
1
6
REARVIEW  
7
30  
8
2
FRONTVIEW  
3
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Parts Listing – Model 5511885 Dust Collection System  
Ref. Part  
Ref. Part  
No.  
1
2
3
4
5
6
7
8
Number  
Description  
Base  
Drawer, Chip  
Seal, Tape  
Cover  
Cover, Filter  
Filter  
Panel, Rear Foam  
Panel, Side Foam  
Panel, Motor Support  
Nut, Hex  
Washer, Lock  
Nut, Hex  
Washer, Lock  
Screw, Hex Head  
Spacer  
Housing, Outer Fan  
Nut, Hex  
Qty  
1
1
*AR  
1
1
1
1
2
1
5
5
4
4
4
1
1
5
No.  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
Number  
Description  
Screw, Hex Head  
Strap, Guard  
Fan  
Screw, Set  
Key  
Housing, Inner Fan  
Motor  
Screw, Hex Head  
Seal, Tape  
Switch, Motor  
Qty  
5
1
1
1
1
1
1
4
5514731  
5514732  
5514733  
5514734  
5514735  
5514779  
5514736  
5514737  
5514738  
5514739  
5514740  
5514741  
5514742  
5514743  
5514744  
5514745  
5514746  
5514747  
5514748  
5514749  
5514750  
5514751  
5514752  
5514753  
5514754  
5514755  
5514756  
5514757  
9
*AR  
1
10  
11  
12  
13  
14  
15  
16  
17  
18  
Connection Kits:  
Refer to Wilton catalog for appropriate connection  
kit for your grinding machine, or contact Wilton for  
assistance.  
Washer, Lock  
5
Wiring Information - Dust Collection System  
31  
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WMH Tool Group  
2420 Vantage Drive  
Elgin, Illinois 60123  
Phone: 800-274-6848  
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